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42732800 = 285211607
BaseRepresentation
bin1010001100000…
…0110100000000
32222102001101022
42203000310000
541414422200
64123525012
71026136265
oct243006400
988361338
1042732800
1122137870
1212389768
138b126a6
14596526c
153b41885
hex28c0d00

42732800 has 108 divisors (see below), whose sum is σ = 115575936. Its totient is φ = 15513600.

The previous prime is 42732793. The next prime is 42732829. The reversal of 42732800 is 823724.

It is a self number, because there is not a number n which added to its sum of digits gives 42732800.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70097 + ... + 70703.

Almost surely, 242732800 is an apocalyptic number.

42732800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42732800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57787968).

42732800 is an abundant number, since it is smaller than the sum of its proper divisors (72843136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42732800 is a wasteful number, since it uses less digits than its factorization.

42732800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644 (or 625 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 42732800 is about 6537.0329661093. The cubic root of 42732800 is about 349.6126326585.

The spelling of 42732800 in words is "forty-two million, seven hundred thirty-two thousand, eight hundred".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 32 40 44 50 55 64 80 88 100 110 128 160 176 200 220 256 275 320 352 400 440 550 607 640 704 800 880 1100 1214 1280 1408 1600 1760 2200 2428 2816 3035 3200 3520 4400 4856 6070 6400 6677 7040 8800 9712 12140 13354 14080 15175 17600 19424 24280 26708 30350 33385 35200 38848 48560 53416 60700 66770 70400 77696 97120 106832 121400 133540 155392 166925 194240 213664 242800 267080 333850 388480 427328 485600 534160 667700 776960 854656 971200 1068320 1335400 1709312 1942400 2136640 2670800 3884800 4273280 5341600 8546560 10683200 21366400 42732800